personal column
US /ˈpɜːrsənəl ˌkɑːləm/
UK /ˈpɜːrsənəl ˌkɑːləm/

1.
a section in a newspaper or magazine containing private messages, advertisements, or notices, often of a personal nature (e.g., seeking companionship, expressing thanks, or making announcements)
:
•
She placed an advertisement in the personal column to find her lost cat.
•
Many people used the personal column to seek romantic partners before online dating became popular.